U.S. crude prices plunged last week below $0 per barrel for the first time in history.

Japan imports great quantities of crude oil.

Algeria produces a lot of crude oil.

The word "bitch" literally means a female dog. Its use in casual conversation to apply to a woman is demeaning, crude and insulting, and marks the person who uses this descriptor to be backwards and, potentially, a sexual harasser.

When refined, crude oil yields many products.

But that same principle must apply to Muslim perceptions of America. Just as Muslims do not fit a crude stereotype, America is not the crude stereotype of a self-interested empire.

Mike made a crude table out of logs.

Variability is one of the virtues of a woman. It avoids the crude requirement of polygamy. So long as you have one good wife you are sure to have a spiritual harem.

This is a crude material imported from Malaysia.

Ten years after the Deepwater Horizon oil rig explosion killed 11 workers, injured 17 more and leaked 800 million liters of crude oil into the Gulf of Mexico, ecological devastation has proved hard to reverse.